Identify the wrong number in the series $105, 85, 60, 30, -25, -45.$

Completion of series:

$80, 50, 130, 100, 180, 150, 230, 900 ,\left(A\right), \left(B\right), \left(C\right), \left(D\right), \left(E\right)$

Which number will come in the place of (C)?

$140, 68, 36, 16, 10, 3$

$284$ (A) (B) (C) (D) (E)

Which number will come in the place of (D)?

$2 4 9 20 43 90$

$3$ (A) (B) (C) (D) (E)

Which number will come in the place of (D)?